January 2021, version 3.2. Added a "maxsave" keyword which can be increased beyond 1000 to allow a larger number of paths in the output.
February 2006, version 3.1. Implemented preservation of bonds.
July 2005, version 3.0. Redefined meaning of maximum atomic shuffle. This helped the program run faster.
April 2005, version 2.2. Fixed some minor bugs.
July 2004, version 2.1.1. Fixed various minor bugs.
May 2003, version 2.0.1. Fixed bug in determining origin of common subgroup in crystal 2.
2003, version 2.0. Major revision. See details in help file.
2002, version 1.0. First appeared in the ISOTROPY Software Suite.